6315545345 has 8 divisors (see below), whose sum is σ = 7579546920. Its totient is φ = 5051841280.

The previous prime is 6315545329. The next prime is 6315545381. The reversal of 6315545345 is 5435455136.

It can be written as a sum of positive squares in 4 ways, for example, as 4014616321 + 2300929024 = 63361^2 + 47968^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6315545345 - 2⁴ = 6315545329 is a prime.

It is a super-2 number, since 2×6315545345² = 79772226009502338050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24650 + ... + 115059.

It is an arithmetic number, because the mean of its divisors is an integer number (947443365).

Almost surely, 2^6315545345 is an apocalyptic number.

It is an amenable number.

6315545345 is a deficient number, since it is larger than the sum of its proper divisors (1264001575).

6315545345 is a wasteful number, since it uses less digits than its factorization.

6315545345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148755.

The product of its digits is 540000, while the sum is 41.

The square root of 6315545345 is about 79470.4054664376. The cubic root of 6315545345 is about 1848.4325993589.

The spelling of 6315545345 in words is "six billion, three hundred fifteen million, five hundred forty-five thousand, three hundred forty-five".